New function

sample-functions/SentimentAnalysis/Dockerfile

+FROM python:2.7-alpine
+RUN pip install textblob
+RUN python -m textblob.download_corpora
+
+ADD https://github.com/alexellis/faas/releases/download/0.5.1-alpha/fwatchdog /usr/bin
+RUN chmod +x /usr/bin/fwatchdog
+
+WORKDIR /root/
+
+COPY handler.py .
+
+ENV fprocess="python handler.py"
+
+HEALTHCHECK --interval=1s CMD [ -e /tmp/.lock ] || exit 1
+
+CMD ["fwatchdog"]
+

sample-functions/SentimentAnalysis/build.sh

+#!/bin/sh
+
+echo "Building functions/sentimentanalysis"
+docker build -t functions/sentimentanalysis .
+
+

sample-functions/SentimentAnalysis/handler.py

+import sys
+from textblob import TextBlob
+
+def get_stdin():
+    buf = ""
+    for line in sys.stdin:
+        buf = buf + line
+    return buf
+
+if(__name__ == "__main__"):
+    st = get_stdin()
+    blob = TextBlob(st)
+    out =""
+    for sentence in blob.sentences:
+        out = out + "Polarity: " + str(sentence.sentiment.polarity) + " Subjectivity: " + str(sentence.sentiment.subjectivity)  + "\n"
+    print(out)
+